<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <link rel="stylesheet" href="css/index.css" />
    <script src="js/index.js"></script>
    <title>滑动绑定事件</title>
  </head>
  <body>
    <div class="box1">
      <ul>
        <li>1</li>
        <li>2</li>
        <li>
          <div class="box2">
            <div class="bg"></div>
            <div class="zz"></div>
          </div>
        </li>
        <li>4</li>
        <li>5</li>
        <li>5</li>
        <li>5</li>
        <li>5</li>
        <li>5</li>
      </ul>
    </div>
  </body>
</html>
